| 摘要 |
An apparatus for the injection molding of plastic material, comprising a mold (7) into which molten plastic material is introduced, wherein there is provided a device for introducing liquid, in particular water, into the interior of the molten material, which includes a pump (3) driven by a motor (4), wherein the speed of rotation of the motor (4) and/or the stroke volume of the pump (3) is variable.
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